Humes, J. C. (2002). Speak like churchill, stand like lincoln: 21 powerful secrets of history's greatest speakers. AUWSF.
Cita Chicago Style (17a ed.)Humes, James C. Speak like Churchill, Stand like Lincoln: 21 Powerful Secrets of History's Greatest Speakers. New York: AUWSF, 2002.
Cita MLA (9a ed.)Humes, James C. Speak like Churchill, Stand like Lincoln: 21 Powerful Secrets of History's Greatest Speakers. AUWSF, 2002.
Precaución: Estas citas no son 100% exactas.